After cdrom is mounted to the system, you cannot press the key to bring it up. You need to use the eject command.

After cdrom is mounted to the system, it cannot be popped up by pressing the key. You need to use the eject command-general Linux technology-Linux technology and application information. The following is the details. After cdrom is mounted to the system, you cannot press the key to bring it up. You need to use the eject command. If you cannot bring up the optical drive, run the pwd command to view the current path. If you are in the/mnt/cdrom directory, use cd .. to exit the/mnt directory, and then use the eject command to bring up the optical drive.

Note that if the terminal window for executing the mount/mnt/cdrom command is closed, you cannot use the eject command to bring up the optical drive. In this case, you can run the command fuser-m/mnt/cdrom to find the process using the optical drive, and then kill the process to bring up the optical drive. Or simply restart the machine.